170M5718 Bussmann - Fuse

170M5718 Description

Bussmann makes the 170M5718, a 1250 A fuse. Its job is to clear faults fast enough to save expensive semiconductors in drives, UPS units and DC supplies.

Looking for a replacement 170M5718? USComponent can quote new and hard-to-find stock and ships worldwide. Request a quote for pricing and lead time, and double-check the datasheet to make sure it fits your application.

Summary of Features

Target Applications

Bussmann 170M5718 is used for protection of power semiconductors (diodes, thyristors and IGBT modules) in rectifiers, AC and DC drives, inverters, UPS systems, soft starters and other power conversion equipment.

Key Specifications

Bussmann 170M5718 is a high speed square body semiconductor fuse, US style (bolted tags), size 2, 1250 A, 690 V / 700 V IEC, -FU/115 without indicator (115 mm version). Source: Bussmann Square Body US Style 690V/700V 40-2000A datasheet (BIF 720023). Values at 25°C unless noted.

Parameter	Value
Rated current	1250 A RMS
Rated voltage	690 V / 700 V IEC
Body size	2
Style	US style (bolted tags)
Indicator	-FU/115 without indicator (115 mm version)
Pre-arc I²t	365000 A²s
Clearing I²t at 660 V (power factor 15%)	2400000 A²s
Watts loss at rated current	130 W
Interrupting rating	200 kA RMS symmetrical (estimated 300 kA)
Overall length (B)	159 mm
Mounting centres (C1 / C2)	125 / 99 mm
Body A x D x E	50 x 77 x 61 mm

Technical document (PDF)  |  Request a quote for 170M5718 (reply within 24 hours)